Changes in MBS restful API:
- Refactor MBS API code
- Unify module-/component_build API philosophy/design/approach
- Naming fixes
- _utc_datetime_to_iso moved from ModuleBuildAPI and is now a module-level function.
- Existing v1 API remains unchanged. ComponentBuildAPI now supports individual component build listing + verbose mode.
- documented in README
- various component_build API tests added